Patent US3277801A successfully refreshed from Google Patents.
US3277801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tamper
Assignee: Koehring Co
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Filing: 1965-07-29
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Granted: 1966-10-11
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Anthony G Horvath
- 👤 Eugene C Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:46
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/02; E02D3/046; E02D3/068
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A TAMPER UNIT THE LOWER END OF WHICH CONSISTS OF A HOLLOW COLUMN, A TAMPING SHOE PROVIDING ITS PEDESTAL, SAID SHOE HAVING A RIGID CONNECTION TO SAID COLUMN, A HOUSING FORMING THE UPPER END OF SAID TAMPER UNIT AND SPACED IN ITS ENTIRETY VERTICALLY ABOVE SAID COLUMN, SAID HOUSING HAVING AN ELEMENT OF ROD-LIKE CONFIGURATION PROJECTED THEREFROM TO DEPEND INTERIORLY OF SAID COLUMN, GUIDE MEANS FIXED INTERIORLY OF SAID COLUMN AND POSITIONING SAID ROD-LIKE ELEMENT FOR A RECIPROCATING MOVEMENT IN A SENSE COAXIAL WITH SAID COLUMN, MEANS SUPPORTING SAID HOUSING AND ROD-LIKE ELEMENT RELATIVE SAID COLUMN AND FORMING A RESILIENT INTERCONNECTION THEREBETWEEN POSITIONING SAID HOUSING SPACED ABOVE SAID COLUMN, SAID LAST NAMED MEANS INCLUDING A SPRING DEVICE INTERPOSED BETWEEN A PORTION OF SAID COLUMN AND ABUTMENT MEANS ON SAID RODLIKE ELEMENT, MEANS CONNECTING SAID HOUSING AND ROD-LIKE ELEMENT AND OPERATIVELY RELATED TO RECIPROCATE SAID RODLIKE ELEMENT RELATIVE SAID GUIDE MEANS, SAID SPRING DEVICE REACTING TO RECIPROCATION OF SAID ROD-LIKE ELEMENT TO INDUCE A RESPONSIVE VERTICAL RECIPROCATING ACTION OF SAID COLUMN AND SHOE THEREWITH, THE TAMPING ACTION OF SAID SHOE BEING VERTICAL AND GENERALLY ORIENTED IN LINE WITH THE CENTER OF GRAVITY OF SAID TAMPING UNIT.
Claim 2
Dependent Claim
195 words
A TAMPER UNIT THE LOWER END OF WHICH CONSISTS OF A HOLLOW COLUMN, A TAMPING SHOE PROVIDING ITS PEDESTAL, SAID SHOE HAVING A RIGID CONNECTION TO SAID COLUMN, A HOUSING FORMING THE UPPER END OF SAID TAMPER UNIT AND SPACED IN ITS ENTIRETY VERTICALLY ABOVE SAID COLUMN, SAID HOUSING HAVING AN ELEMENT OF ROD-LIKE CONFIGURATION PROJECTED THEREFROM TO DEPEND INTERIORLY OF SAID COLUMN, GUIDE MEANS FIXED INTERIORLY OF SAID COLUMN AND POSITIONING SAID ROD-LIKE ELEMENT FOR A RECIPROCATING MOVEMENT IN A SENSE COAXIAL WITH SAID COLUMN, MEANS SUPPORTING SAID HOUSING AND ROD-LIKE ELEMENT RELATIVE SAID COLUMN AND FORMING A RESILIENT INTERCONNECTION THEREBETWEEN POSITIONING SAID HOUSING SPACED ABOVE SAID COLUMN, SAID LAST NAMED MEANS INCLUDING A SPRING DEVICE INTERPOSED BETWEEN A PORTION OF SAID COLUMN AND ABUTMENT MEANS ON SAID RODLIKE ELEMENT, MEANS CONNECTING SAID HOUSING AND ROD-LIKE ELEMENT AND OPERATIVELY RELATED TO RECIPROCATE SAID RODLIKE ELEMENT RELATIVE SAID GUIDE MEANS, SAID SPRING DEVICE REACTING TO RECIPROCATION OF SAID ROD-LIKE ELEMENT TO INDUCE A RESPONSIVE VERTICAL RECIPROCATING ACTION OF SAID COLUMN AND SHOE THEREWITH, THE TAMPING ACTION OF SAID SHOE BEING VERTICAL AND GENERALLY ORIENTED IN LINE WITH THE CENTER OF GRAVITY OF SAID TAMPING UNIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |